books.google.co.uk - In Maya Political Science: Time, Astronomy, and the Cosmos, Prudence M. Rice proposed a new model of Maya political organization in which geopolitical seats of power rotated according to a 256-year calendar cycle known as the May. This fundamental connection between timekeeping and Maya political organization...https://books.google.co.uk/books/about/Maya_Calendar_Origins.html?id=2b_DoSfVKnUC&utm_source=gb-gplus-shareMaya Calendar Origins